What battery does the Kymco 250 Mongoose, MXU use?

Kymco 250 Mongoose, MXU takes a 10 Ah, 170 A AGM battery (150 × 87 × 130 mm), with the positive terminal on the left. We found 4 compatible batteries priced between 29,80€ — 75,60€. Check dimensions and positive terminal position before purchasing.

Can I install a higher capacity battery in my Kymco 250 Mongoose, MXU?

Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Kymco 250 Mongoose, MXU battery compartment and the positive terminal position matches.

Does my Kymco 250 Mongoose, MXU need a Start-Stop battery?

Yes, we detected Start-Stop compatible batteries for your Kymco 250 Mongoose, MXU. If your vehicle has Start-Stop, it needs an AGM or EFB battery. An AGM must always be replaced with AGM. An EFB can be replaced with EFB or AGM. Never install a conventional battery in a Start-Stop vehicle.

How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

What warranty do the batteries have?

All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

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Kymco 250 Mongoose, MXU

Batteries for Kymco 250 Mongoose, MXU

Kymco · 250

Which battery does a Kymco 250 Mongoose, MXU need?

Specifications and battery: Mongoose, MXU

Kymco 250 Mongoose, MXU takes a 10 Ah, 170 A AGM battery (150 × 87 × 130 mm), with the positive terminal on the left.

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Main	AGM	10 Ah	170 A	150 × 87 × 130 mm	+ on the left

This engine shares its battery with the KXR and MXU: the compatible batteries are exactly the same.

Data: vehicle specifications and the battery manufacturer's application catalogue.

🔧 Battery Expert Advisor

Battery analysis for your Kymco 250 Mongoose, MXU

Quick answer You need an AGM battery of 10 Ah. Our recommendation: VARTA 510909017.

VARTA510909017

AGM10 Ah170 A150×87×130

€75.60

Buy

Prices and availability updated on 23/10/2026

Based on the batteries we found for your vehicle, our experts help you pick the right one.

📋 What we found

For your Kymco 250 Mongoose, MXU we found 4 compatible Start-Stop batteries.

⚡ Battery type for your vehicle

✓ Your Kymco 250 Mongoose, MXU uses the Start-Stop system. Every battery shown is compatible — no conventional options to confuse you.

🔋 Technology (AGM / EFB)

✓ All Start-Stop batteries in the list are AGM. If your current battery is AGM, this is the right replacement. If it is EFB, an AGM is also a valid upgrade, but on cars with battery management (BMW, Mercedes, VAG group…) it must be registered and coded for the new technology with a diagnostic tool; otherwise the car keeps charging it as an EFB.

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our recommendation

For your Kymco 250 Mongoose, MXU we recommend the VARTA 510909017 (AGM, 10 Ah). It also offers the highest capacity (Ah) and the highest cranking power (CCA) on the list — more headroom in cold starts and with many consumers. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.

Next-day delivery if you order before 6 PM.

See this battery →

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Verified selection

Class: Quads Batteries
Brand: Kymco
Model: 250
Engine: Mongoose, MXU

Order now with express shipping: your product ships today and arrives on Monday before 2 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — Start-Stop requires AGM or EFB)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

Start-Stop & high energy demand batteries

AGM or EFB battery for start-stop vehicles and for cars with high energy demand (many electrical consumers, frequent starts). More charge cycles, better charge recovery and longer service life.

4 products

This engine comes with an AGM/EFB battery as standard: the car's charging system requires it even without Start-Stop. If in doubt, message us and we will confirm.

Why we recommend the VARTA 510909017

For €45.80 more you get +20 A cold cranking.

	RecommendedVARTA 510909017	CheapestEXIDE ETX12-BS
Cold cranking	170 A	150 A
Capacity	10 Ah	10 Ah
Technology	AGM	AGM
Why	Varta brand	—
Price	€75.60	€29.80

View VARTA 510909017

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Start-Stop & high energy demand batteries	VARTA	510909017	10 Ah	170 A	150×87×130 mm	AGM	€75.60	More info
Start-Stop & high energy demand batteries	VARTA	510012015	10 Ah	150 A	152×88×131 mm	AGM	€29.95	More info
Start-Stop & high energy demand batteries	EXIDE	ETX12-BS	10 Ah	150 A	150×90×130 mm	AGM	€29.80	More info
Start-Stop & high energy demand batteries	EXIDE	AGM12-10	10 Ah	150 A	150×90×130 mm	AGM	€55.20	More info

Frequently asked questions

: Kymco 250 Mongoose, MXU takes a 10 Ah, 170 A AGM battery (150 × 87 × 130 mm), with the positive terminal on the left. We found 4 compatible batteries priced between 29,80€ — 75,60€. Check dimensions and positive terminal position before purchasing.
: Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Kymco 250 Mongoose, MXU battery compartment and the positive terminal position matches.
: Yes, we detected Start-Stop compatible batteries for your Kymco 250 Mongoose, MXU. If your vehicle has Start-Stop, it needs an AGM or EFB battery. An AGM must always be replaced with AGM. An EFB can be replaced with EFB or AGM. Never install a conventional battery in a Start-Stop vehicle.
: Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
: All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
: Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.
: Motorcycles can use GEL, AGM or conventional batteries. GEL is ideal for occasional use as it holds its charge well. AGM is the best choice for intensive use or high-powered bikes. Always verify the polarity before installing.
: Polarity indicates which side the positive terminal (+) is on. For motorcycles this is critical as some models have the positive on the left and others on the right. Check the label on your current battery or the owner's manual.
: Yes. First disconnect the negative cable (−), then the positive (+). When fitting the new battery, connect the positive (+) first, then the negative (−). Always respect the correct polarity.

Batteries for Kymco 250 Mongoose, MXU

Which battery does a Kymco 250 Mongoose, MXU need?